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b92adb74ad
The ia64 handling of failure to return from a signal frame has been trying to set overlapping fields in struct siginfo since 2.3.43. The si_code corresponds to the fields that were stomped (not the field that is actually written), so I can not imagine a piece of userspace code making sense of the signal frame if it looks closely. In practice failure to return from a signal frame is a rare event that almost never happens. Someone using an alternate signal stack to recover and looking in detail is even more rare. So I presume no one has ever noticed and reported this ia64 nonsense. Sort this out by causing ia64 to use force_sig(SIGSEGV) like other architectures. Fixes: 2.3.43 Cc: Tony Luck <tony.luck@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: linux-ia64@vger.kernel.org Acked-by: Tony Luck <tony.luck@intel.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> |
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